827172040

素因数分解:

$2^3\times 5^1\times {\mathrm{641}}^1\times {\mathrm{32261}}^1$

素因数の和:32913

約数の個数: 32

約数和(自身を含む): 1864098360

約数和(自身を除く): 1036926320

約数列:

[1, 2, 4, 5, 8, 10, 20, 40, 641, 1282, 2564, 3205, 5128, 6410, 12820, 25640, 32261, 64522, 129044, 161305, 258088, 322610, 645220, 1290440, 20679301, 41358602, 82717204, 103396505, 165434408, 206793010, 413586020, 827172040]

約数ペア:

[(1, 827172040), (2, 413586020), (4, 206793010), (5, 165434408), (8, 103396505), (10, 82717204), (20, 41358602), (40, 20679301), (641, 1290440), (1282, 645220), (2564, 322610), (3205, 258088), (5128, 161305), (6410, 129044), (12820, 64522), (25640, 32261)]